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Tue, 29 Sep 2026 02:28:43 -0700 (PDT) From: Ruslan Koreev To: sakari.ailus@linux.intel.com, benjamin.mugnier@foss.st.com, sylvain.petinot@foss.st.com, dan.scally@ideasonboard.com Cc: mchehab@kernel.org, hansg@kernel.org, ilpo.jarvinen@linux.intel.com, linux-media@vger.kernel.org, platform-driver-x86@vger.kernel.org, linux-kernel@vger.kernel.org, Peter Marshall , Ruslan Koreev Subject: [PATCH v2 3/4] media: i2c: vd55g1: Return the endpoint parser's error code Date: Tue, 29 Sep 2026 12:27:00 +0300 Message-ID: <20260929092700.1776966-5-koreev.r@gmail.com> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260929092700.1776966-1-koreev.r@gmail.com> References: <20260929092700.1776966-1-koreev.r@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Pass the endpoint to v4l2_fwnode_endpoint_alloc_parse() without checking it first and return the parser's error code instead of -EINVAL. The parser returns -EPROBE_DEFER for a missing endpoint, which is what a sensor on an ACPI system needs: there the endpoint is a software node that the IPU bridge attaches when the IPU driver probes, possibly after this driver. On OF systems a missing endpoint now defers the probe as well instead of failing it, as in other sensor drivers that leave this check to the parser. Signed-off-by: Ruslan Koreev --- drivers/media/i2c/vd55g1.c | 7 +------ 1 file changed, 1 insertion(+), 6 deletions(-) diff --git a/drivers/media/i2c/vd55g1.c b/drivers/media/i2c/vd55g1.c index 22b1497e8..8043eaa50 100644 --- a/drivers/media/i2c/vd55g1.c +++ b/drivers/media/i2c/vd55g1.c @@ -1801,7 +1801,7 @@ static int vd55g1_check_csi_conf(struct vd55g1 *sensor, ret = v4l2_fwnode_endpoint_alloc_parse(endpoint, &ep); if (ret) - return -EINVAL; + return ret; /* Check lanes number */ n_lanes = ep.bus.mipi_csi2.num_data_lanes; @@ -1905,11 +1905,6 @@ static int vd55g1_parse_dt(struct vd55g1 *sensor) endpoint = fwnode_graph_get_endpoint_by_id(dev_fwnode(sensor->dev), 0, 0, 0); - if (!endpoint) { - dev_err(sensor->dev, "Endpoint node not found\n"); - return -EINVAL; - } - ret = vd55g1_check_csi_conf(sensor, endpoint); fwnode_handle_put(endpoint); if (ret) -- 2.55.0